Notes on Rust 2018 macro syntax

Author: nodakai

.gitignore

@@ -1,2 +1,2 @@
-target
+/target/
 Cargo.lock

Cargo.toml

@@ -1,10 +1,11 @@
 [package]
 name = "static_assert_macro"
-version = "1.0.3"
+version = "1.0.4"
 authors = ["NODA, Kai <[email protected]>"]
 description = "Library implementation of so-called `static_assert`"
 documentation = "https://nodakai.github.io/rust-static_assert_macro/static_assert_macro"
 repository = "https://github.com/nodakai/rust-static_assert_macro"
 keywords = ["static_assert", "static", "assert"]
 readme = "README.md"
 license = "Apache-2.0"
+edition = "2015"

README.md

@@ -7,14 +7,22 @@
 Cargo.toml:
 
     [dependencies]
-    static_assert_macro = "1.0.0"
+    static_assert_macro = "1"
 
-Your code:
+Your code (Rust 2018):
+
+    use static_assert_macro::static_assert;
+
+    static_assert!(1 < 2);
+
+    fn main() {
+        static_assert!(3 < 4, 10 < 10);
+    }
+
+For Rust 2015 code, replace `use static_assert_macro::static_assert;` with
 
     #[macro_use]
     extern crate static_assert_macro;
-    
-    static_assert!(1 < 2);
 
 For more details, visit
 

src/lib.rs

@@ -11,9 +11,13 @@
 //!
 //! ## Example
 //! ```
+//! // Rust 2015 syntax
 //! #[macro_use]
 //! extern crate static_assert_macro;
 //!
+//! #[cfg(feature = "Rust 2018 syntax")]
+//! use static_assert_macro::static_assert;
+//!
 //! static_assert!(0 < 1, 1 < 2, 2 < 3);
 //!
 //! fn main() {